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(408) 747-1740


Host your child’s next party at Pump It Up Junior of Sunnyvale and your kids will have a great time! Kids ages 1-5 will bounce, jump and slide in our toddler sized inflatable filled indoor arenas, parents will love how simple it is to plan a party at Pump It Up Junior of Sunnyvale. Our staff takes care of everything for you; our package options include food, drinks, cake, balloons and more. When you plan a party at Pump It Up Junior, all you have to do is coordinate a group of kids who want to have a jumping party!

Sign up for our e-news to receive special offers, discounts and promotions at Pump It Up Junior of Sunnyvale. Check out our Jump N’ Event Calendar to find out about upcoming events, PumpStart registration or our Pop-In Playtime schedule. For more information call (408) 747-1740.

Featured Upcoming Events and Specials!

View the Calendar for information on our events.

Kids Eat FREE during Monday through Friday parties!

Let Pump it Up feed your kids! Free 1 slice of pizza and beverage per child for all Monday through Friday parties. Mention PIZ&DRINK promo code when calling us or booking online.



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Pump it Up is now booking parties online!

Partnering with Coldstone to provide free delivery and discount